Topic Forum
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Visual changes for the RS Oph
by alburaidi on Tue, 09/19/2023 - 09:24
Cataclysmic Variables (CVs)
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La Ciencia del Cielo para Principiantes - "Ciencia Espacial - Parte 2"
by Sebastian Otero on Fri, 09/15/2023 - 04:57
Foro de Discusión de AAVSO en Español
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Nelson Database of Eclipsing Binary O-C Files
by kevinbalton on Thu, 09/14/2023 - 14:59
Eclipsing Binaries (EBs)
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Early Bird Registration for the Annual Meeting ends this Friday, 9/15!!!
by kathyspirer on Wed, 09/13/2023 - 17:49
General AAVSO Discussion
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Abstracts deadline extended for Annual Meeting
by weo on Wed, 09/06/2023 - 00:16
General AAVSO Discussion
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T CrB during 2023 August getting brighter
by DEY_VAR on Fri, 09/01/2023 - 17:23
Novae
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Last VSX Q&A session on August 31st, 21:00 UT
by Sebastian Otero on Thu, 08/31/2023 - 18:42
VSX
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AAVSO publications available for donation
by mrv on Wed, 08/30/2023 - 23:38
General AAVSO Discussion
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CHOICE course on Observing and Counting Sunspots starts next week - sign up for it!
by weo on Wed, 08/30/2023 - 19:56
Visual Observing
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CHOICE course on Observing and Counting Sunspots starts next week - sign up for it!
by weo on Wed, 08/30/2023 - 19:47
Solar Observing and SID Monitoring
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Abstracts due in 1 week for 2023 Annual Meeting Talks!!
by kathyspirer on Mon, 08/28/2023 - 14:37
General AAVSO Discussion
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AT 2023qql: Multi-band photometric and spectroscopic observations are strongly encouraged
by Mohammad Odeh on Sat, 08/26/2023 - 07:41
Time Sensitive Alerts
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FWD: [vsnet-alert 27948] Swift J1727.8-1613: black-hole binary and V404 Cyg-like object ?
by Bikeman on Fri, 08/25/2023 - 23:42
High Energy Network (HEN)
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Python Workshop is filling up quickly- Register now
by kathyspirer on Thu, 08/24/2023 - 16:15
General AAVSO Discussion
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Python Workshop is filling up quickly- Register now
by kathyspirer on Thu, 08/24/2023 - 16:15
General AAVSO Discussion
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La Ciencia del Cielo para Principiantes - "Ciencia Espacial - Parte 1"
by Sebastian Otero on Thu, 08/17/2023 - 20:39
Foro de Discusión de AAVSO en Español
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Have you registered for the Python Workshop in November??
by kathyspirer on Tue, 08/15/2023 - 18:52
General AAVSO Discussion
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What makes essay writing unique?
by raidamaisa on Tue, 08/15/2023 - 05:08
General AAVSO Discussion
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Calculating Magnitude like Astro ImageJ in Python
by kjkoeller on Thu, 08/10/2023 - 20:47
Photometry
Sticky topic
BSM_S4 Transformation Coefficients
by MZK on Thu, 08/10/2023 - 00:13
AAVSOnet